Coffee Consumption May Reduce the Risk of Alzheimer’s

Coffee Consumption May Reduce the Risk of Alzheimer’s

There are over 55 million dementia sufferers in the world. The most common form of this disorder is Alzheimer’s disease, and doctors believe that 50–75% of patients with dementia suffer from it. A recent study conducted in Australia suggests a connection between the amount of coffee that people consume and the rate of cognitive decline. As per earlier research, coffee intake may reduce the incidence of cognitive disorders.

The participants in the study were 227 adults aged 60 years or over. None of them had a cognitive decline at the start of the study. The researchers gathered information from the participants about their coffee drinking habits using a questionnaire. Furthermore, the research team performed cognitive assessments by implementing certain psychological measures, such as Preclinical Alzheimer Cognitive Composite (PACC), a composite score that assesses executive function, memory, and global cognition.

While examining their findings, researchers discovered that regular coffee intake is positively linked to the cognitive areas of attention, executive function, and the PACC score. The results suggest that increasing coffee consumption from 1 to 2 cups a day may reduce cognitive decline by up to 8% after 18 months.

According to Dr. Samantha Gardener, the lead researcher, coffee consumption is linked to slower accumulation of the protein beta-amyloid, which clumps together in the brains of people with Alzheimer’s disease. She believes that increased coffee intake could be beneficial for those at risk of decline in cognitive function but haven’t developed any symptoms.

Although the research team noted that coffee consumption is less prone to reporting errors due to its long-term habitual nature, several limitations need to be acknowledged. For instance, the self-reported dietary data could be subject to recall bias. 

Another limitation is the small number of participants, making it more challenging to draw conclusions about the general population. Moreover, most of the participants were white. The study has also failed to show a difference between the consumption of caffeinated or decaffeinated coffee. However, scientists need to conduct more research to understand the benefits of habitual coffee consumption better.

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